(19)

(11)

EP 0 215 022 A1

(12)

(43) Date of publication: 25.03.1987 Bulletin 1987/13 (21) Application number: 86901200.0 (22) Date of filing: 24.01.1986

(51) International Patent Classification (IPC):  F16J( . ) F16J 15/ 16( . ) F16J 15/ 26( . ) F16J 15/ 24( . ) (86) International application number: PCT/US1986/000165 (87) International publication number: WO 1986/005251 (12.09.1986 Gazette 1986/20)

(84) Designated Contracting States: BE DE FR GB IT NL SE (30) Priority: 05.03.1985 US 19850708628 (71) Applicant: NIXON, Robert J. Jr. Rock Island, IL 61201 (US)	(72) Inventor: NIXON, Robert J. Jr. Rock Island, IL 61201 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Maximilianstrasse 58 D-80538 München D-80538 München (DE)